Chu You, also known as Ninth Miss Chu, is the protagonist. Originally named Chu Yujing, she was the twin sister of Chu Yuning. At age four she was deemed a jinx, abandoned by her family, and left to survive in the brutal Hanyaling region for thirteen years. She renamed herself "You" meaning carefree and vowed revenge on all who wronged her. She returns to the capital with deadly skills, assassinates He Mingwu for childhood torture, and secures a deal with Prince Yi using insider information. She is clever, calm, and resourceful, using a series of schemes to regain a foothold in her noble family while preparing to exact her vengeance.